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o3 vs Seed 1.5-VL
Comprehensive side-by-side LLM comparison
o3 leads with 8.8% higher average benchmark score. Overall, o3 is the stronger choice for coding tasks.
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OpenAI
OpenAI o3, released by OpenAI in April 2025, is a large reasoning model that applies extended chain-of-thought processing to deliver improved performance on complex math, science, and coding tasks. It features a 200K token context window and native image understanding, with demonstrated strong results on mathematics and software engineering benchmarks. o3 targets demanding analytical and engineering tasks where deliberate, multi-step reasoning produces significantly better outcomes than direct generation.
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ByteDance
Seed1.5-VL, released by ByteDance Seed on May 15, 2025, is a vision-language foundation model composed of a 532M-parameter vision encoder and a Mixture-of-Experts language model with 20 billion active parameters. It was pretrained on over 3 trillion multimodal tokens and achieved state-of-the-art performance on 38 out of 60 public VLM benchmarks at release. Seed1.5-VL targets complex visual reasoning, OCR, video comprehension, 3D spatial understanding, and multimodal agentic tasks.
29 days newer
o3
OpenAI
2025-04-16
Seed 1.5-VL
ByteDance
2025-05-15
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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o3
Average Score:76.4%(+8.8%)
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Seed 1.5-VL
Average Score:67.6%
Performance comparison across key benchmark categories
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o3
Multimodal76.4%(+8.8%)
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Seed 1.5-VL
Multimodal67.6%
Provider Availability & Performance
Available providers and their performance metrics
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o3
1 providers
OpenAI
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Seed 1.5-VL
0 providers
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o3
Avg Score:76.4%(+8.8%)
Providers:1
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Seed 1.5-VL
Avg Score:67.6%
Providers:0